Thermoelectric power and electronic structures of Kondo insulators

[著者版]Thermoelectric power of the Kondo insulators is analyzed theoretically. It is pointed out that Kelvin’s relation found in 1851 must be modified for insulators at low temperatures. A realistic tight-binding model is constructed for the description of the conduction bands of the most typical Kondo insulator YbB12. It will be a good starting point for the development of a realistic theory of the Kondo insulators with strong correlation